1956 Austin A 30 vs. 2004 GMC Sierra
To start off, 2004 GMC Sierra is newer by 48 year(s). Which means there will be less support and parts availability for 1956 Austin A 30. In addition, the cost of maintenance, including insurance, on 1956 Austin A 30 would be higher. At 5,963 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (325 HP) has 297 more horse power than 1956 Austin A 30. (28 HP) In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1956 Austin A 30. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1594 kg more than 1956 Austin A 30. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1956 Austin A 30. In wet, icy, snow, or gravel driving conditions, 2004 GMC Sierra will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 GMC Sierra (502 Nm) has 448 more torque (in Nm) than 1956 Austin A 30. (54 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1956 Austin A 30.
Compare all specifications:
| 1956 Austin A 30 | 2004 GMC Sierra | |
| Make | Austin | GMC |
| Model | A 30 | Sierra |
| Year Released | 1956 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 802 cc | 5963 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 28 HP | 325 HP |
| Torque | 54 Nm | 502 Nm |
| Engine Bore Size | 58 mm | 102 mm |
| Engine Stroke Size | 76 mm | 92 mm |
| Engine Compression Ratio | 7.2:1 | 9.4:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 680 kg | 2274 kg |
| Vehicle Length | 3470 mm | 5790 mm |
| Vehicle Width | 1410 mm | 2130 mm |
| Vehicle Height | 1490 mm | 1880 mm |
| Wheelbase Size | 2030 mm | 3650 mm |
| Fuel Tank Capacity | 48 L | 102 L |
